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20 Best 2003 Subaru Outback O2 Sensor Location of 2023 – Romance University

After hours researching and comparing all models on the market, Romance University finds out the Best 2003 Subaru Outback O2 Sensor Location of 2023. Check our ranking below.

2,764 Reviews Scanned

Rank No. #1
A-Premium O2 Oxygen Sensor Compatible with Saab 9-2X 05-06 & Scion FR-S & Subaru Baja 04-06, Forester 05-10, Impreza 02-14, Legacy 04-12, Outback & Mazda, Replace# 22690AA500, 22690AA501
  • [Vehicle Fitment-1]: Compatible with Mazda CX-5 2017 L4 2.5L, CX-9 2016-2020 L4 2.5L; Compatible with Saab 9-2X 2005 H4 2.0L, 9-2X 2005-2006 H4 2.5L; Compatible with Scion FR-S 2013-2015 H4 2.0L; Compatible with Subaru Baja 2004-2006 H4 2.5L, Forester 2005-2010 H4 2.5L, Impreza 2002-2005 H4 2.0L, Impreza 2004-2014 H4 2.5L, Legacy/Outback 2004-2012 H4 2.5L, Outback 2001-2004 H6 3.0L---Downstream
  • [Vehicle Fitment-2]: Compatible with Subaru Legacy/Outback 2005 H4 2.5L---Center
  • [Reference Number]: 250-24440, 25024440, 32005986, 32005987, 32005988, 32010413, 22690AA56A, 22690AA810, 22690AA45C, 22690AA490, 22690AA491, 22690AA560, 22690AA500, 22690AA501, 22690AA520, 22690AA53B
  • [Specification]: ① Wire Quantity: 4; ② Sensor Type: Heated; ③ Mounting Type: Threaded; ④ Connector Gender: Male; ⑤ Package Quantity: 1x Oxygen Sensor; ⑥ Packaging Type: Box
  • [Attention]: To avoid the hassle of buying the wrong product, please check the compatible models and corresponding notes below the product description before purchasing. If you are not sure whether this product is suitable for your car, please feel free to contact us.
Rank No. #2
Offset Oxygen Sensor Socket, 3/8-Inch Drive, 7/8-Inch (22mm), Wire Gate Accesses Sensor from Side, Preventing Damage to Wires, Universal for Most Cars
  • PREMIUM QUALITY: Made of premium chrome molybdenum steel, this socket allows the user to apply maximum torque to ensure precise assembly and function. The tool meets and exceeds ANSI/ASME standards.
  • DESIGN: The socket has a slotted design. So you remove the oxygen sensor with the harness still connected. This 3/8" drive oxygen sensor socket is also offset and compact, providing extra leverage even in hard-to-reach locations.
  • FEATURES: 7/8" (22mm) socket fits most oxygen sensors, works with any 3/8" drive ratchet or breaker lever, offset drive gate with wire links the sensor from the side to prevent damage to the wires.
  • FUNCTION: This oxygen sensor is very convenient to use, the sensor is in the harshest environments and may need to remove some elbow grease, this quality tool will save you time! to help your car's emissions and fuel consumption.
  • WHAT YOU GET: 1 x Offset Oxygen Sensor Socket. This product is sure to meet your requirements. If you have any questions, please contact us in time, we will reply you within 24 hours.
Rank No. #3
A13469X Oxygen O2 Sensor Downstream Replacement for 1999-2004 Subaru Forester Subaru Impreza
  • Please check the plug & fitment notes & filter system & description for accurate information. 100% exact match OE standard BOSCH 13469, 22690AA640. This sensor will meet or exceed OEM standards, it is a direct replacement though it is NOT a genuine part.
  • Replacing your engine’s oxygen sensor can improve engine performance and fuel economy, and prevent premature catalytic converter damage.
  • Manufactured to the highest standards, Our oxygen sensors are durable, ensuring long-term stable performance.
  • Thorough testing by our engineers guarantees 100% accurate data transfer to the engine management system for optimal engine operation and longevity.
  • Direct Plug-In Replacement, A ABIGAILoxygen sensors are easy to install on your vehicle, and come with pre-coated threads to assist installation.
Rank No. #4
Autopart T Heated Upstream O2 Sensor for Subaru Baja/Forester/Impreza/Legacy/Outback 2003-06, 2.5L 4Cyl - ST-54011
  • Advanced Sensing Technology: "Autopart T" Oxygen Sensors employ cutting-edge technology for precise and rapid detection of oxygen levels, ensuring optimal fuel-to-air ratio for efficient engine performance and reduced emissions.
  • Enhanced Fuel Economy: By providing accurate oxygen level readings, these sensors help maintain the engine's efficiency, leading to better fuel economy and lower fuel costs over time.
  • Direct Fit Replacement: Designed for a wide range of vehicle makes and models, "Autopart T" Oxygen Sensors offer an easy, direct-fit replacement, ensuring a hassle-free installation process without the need for modifications.
  • Durable and Long-Lasting: Constructed with high-quality materials resistant to corrosion and wear, these sensors are built to last, offering dependable performance and longevity even in harsh driving conditions.
  • Improved Engine Health and Performance: Regular replacement of the oxygen sensor with "Autopart T" ensures proper engine function, preventing issues like rough idling, stalling, and poor acceleration, thus maintaining overall engine health and performance.
Rank No. #5
Oxygen O2 Sensor Downstream 234-4445 15170 22690-AA810 2344445 22690AA810 Compatible with Subaru Outback Legacy Impreza Forester WRX Saab 9-2 X 2004-2012
  • 1 year warranty.
  • You will get free and easy replacement or refund if any problem presented to us in the warranty life time.The problem of part may happen because you choose wrong fitment,wrong position or wrong sockets. It is mostly not a quality problem.So just not hesitate to contact us to get a refund or replacement before you give a review.
  • Compatible OEM part number of this oxygen sensor is 234-4445, 2344445, 15170, 24642, OS5331, 22690-AA810, 22690AA810, 22690AA81A, 22690AA93A, 32010413.
  • Please carefully check the pictures in the listing. Make sure the part, the connector and the plug on our pictures are same as your old part before your purchase in case it cause Compatibility problem and return issue.
  • This O2 lambda sensor compatible with Subaru Outback Legacy Impreza Forester WRX STI Saab Baja 9-2X 2006 2007 2008 2009 2010 2011 2012 2.5L.
Rank No. #6
A-Premium O2 Oxygen Sensor Compatible with Subaru Legacy 1999-2004, Outback 2000-2004, Baja 2003-2006, H4 2.5L, Downstream, Replace# 22690-AA43A, 22690AA73A
  • [Vehicle Fitment]: "Downstream/B1S2": Compatible with Subaru Baja 2003-2006 H4 2.5L, Legacy 1999 H4 2.2L (Non Calif-ESV), Legacy 1999 H4 2.5L, Legacy 2000-2001 H4 2.5L (Automatic Transmission), Legacy 2002-2004 H4 2.5L, Outback 2000-2001 H4 2.5L (Automatic Transmission), Outback 2002-2004 H4 2.5L,
  • [Reference Number]: 22690-AA43A, 22690AA73A, 234-4132, 2344132, 250-24373, 25024373
  • [Specification]: ① Wire Quantity: 4; ② Overall Length: 445 mm; ③ Mounting Type: Threaded; ④ Sensor Type: Heated; ⑤ Connector Gender: Male; ⑥ Package Quantity: 1x Oxygen Sensor; ⑦ Packaging Type: Box
  • [Quality Construction]: Manufactured from premium materials for a long lifespan; Quick and easy installation, requiring no special tools
  • [Customer Support]: A-Premium Oxygen Sensor comes with a 1-Year Unlimited-Mileage Warranty. Being brand-new and sturdy, this Oxygen Sensor is the ideal choice for direct replacement. We extremely value your satisfaction and strive to provide you with a good shopping experience.
Rank No. #7
Oxygen O2 Sensor Downstream 234-4732 2344732 Compatible with Subaru Impreza Forester Legacy Outback Baja Impreza WRX Saab 9-2X DOICOO


  • IMPORTANT: Carefully check fitment of Amazon, list description and part pictures. Must make sure our part pictures are same as yours. Because The first two could not identify vehicle months & engine difference. If pictures (body,socket,plugs) are same, certainly the part will fit your car. Or If you have part no., please make sure the part no. is among our Interchange part number list. If yes, the part usually fits your car. So the pictures or part no. are more important.
  • ▲1 year warranty▲Guaranteed genuine quality▲ Free and easy replacement or refund in one year quality warranty time.
  • ▲ The position of the Oxygen sensor in your vehicle and the socket type are very important, please check it carefully with our description and pictures.
  • ▲Compatible Part no. :234-4732,2344732,234 4732
Rank No. #8
3/8 Inch Drive x 7/8 Inch (22mm) Offset Oxygen Sensor Socket, Wire Gate Accesses Sensor from Side, Oxygen Sensor Offset Puller Universal for Most Models of Cars
  • [High quality]: Offset Oxygen Sensor Socket is made of high quality chromium-molybdenum steel, precision cast for maximum torque and precise fit, coated with black oxide to prevent rusting and long life.
  • [Use]: You can also use this 3/8 drive oxygen sensor socket removal tool to replace your oxygen sensor to help your car's emissions and gas mileage. This 22mm oxygen sensor socket is also offset and compact, providing extra leverage even in hard to reach places.
  • [Widely available]: Universal 6-point, 7/8-inch (22mm) socket, Use with any 3/8" drive ratchet or breaker bar, Universal for most oxygen sensors.
  • [Easy to handle]: No need to remove or damage the wiring harness, the slotted design is used to remove and install the 7/8-inch 22mm oxygen sensor in hard-to-reach locations.
  • [About us]: We strive to constantly innovate to meet our customers' needs, provide them with better products and create a perfect product experience. Our goal is to serve every detail and bring convenience to every home.
SaleRank No. #9
Downstream Oxygen Sensor for Subaru Outback Legacy Impreza Forester 2001-2012 Saab 9-2X
  • YHTAUTO Affordable and Prime Electric Oxygen Sensor, Directly Fit
  • Replacement for Saab 9-2X 2005-2006 2.0L 2.5L, Scion FR-S 2013-2014 2.0L FA20D---Downstream
  • Replacement for Subaru Baja 2004-2006 2.5L, BRZ 2013-2014 2.0L, Forester 2004-2010 2.5L---Downstream
  • Replacement for Impreza 2002-2011 2.0L 2.5L, Legacy 2004-2012 2.5L, Outback 2001-2004 3.0L 2005-2012 2.5L---Downstream
  • OEM Number: 32005986, 32005987, 32005988, 32010413, 22690AA56A, 22690AA810, 22690AA45C, 250-24440,22690AA490, 22690AA491, 22690AA560, 22690AA500, 22690AA501, 22690AA520, 22690AA53B
Rank No. #10
Offset Oxygen Sensor Socket, 3/8-Inch Drive by 7/8-Inch 22mm, Wire Gate Accesses Sensor from Side, Preventing Damage to Wires, Universal for Most Models of Cars
  • High Quality Material: Offset oxygen sensor socket Made of high-quality chromium-molybdenum steel,the socket allows users to exert maximum torque and allows you to access tough spots, the precision casting ensures accurate fit and function, black oxide surface treatment prevent rust.
  • Design: The standard 6-point slotted design, 7/8 in (22mm) socket hex fits almost all oxygen sensors; Use with 3/8 inch drive ratchet or breaker bar, offset drive gate with wire links the sensor from the side to prevent damage to the wires.very convenient, please rest assured use.
  • Function:Even if you don't have a lot of driving experience, you can replace your oxygen sensor with this high quality tool to help your car's emissions and gas mileage. allows you to remove the oxygen sensor while still connecting the wiring harness, and the socket is biased and compact, providing extra leverage even in hard-to-reach places, this high quality tool will not only save you time but also do exactly what you want.
  • Products Include:1Pcs offset oxygen sensor socket. This high quality tool can save you time! , can meet your daily needs.
  • Service --- If you have any questions about the product, you can contact us by email, we will solve you as soon as possible.
SaleRank No. #11
Denso 234-4212 Oxygen Sensor
  • Efficient Fuel Consumption
  • Prevents premature sensor failure
  • Improved engine performance and greater fuel efficiency
  • Manufactured to the highest O.E. quality to fit right
SaleRank No. #12
Denso 234-4732 Oxygen Sensor
  • Designed to detect the amount of oxygen in the exhaust system
  • Constructed from high quality material
  • Features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing
  • Manufactured with precision to meet OE standards
  • Easy installation
Rank No. #13
DOSKJOK 234-9015 O2 Oxygen Sensor Air Fuel Ratio Upstream Compatible with Forester Impreza Legacy Outback Baja 2003 2004 1Pcs
  • APPLICABLE MODELS - Air Fuel Ratio Sensor upstream Compatible with Baja 2003-2006 Forester 2003-2004 Impreza 2003-2004.
  • FIT VEHICLES - O2 Oxygen Sensor upstream Heated Compatible with Legacy 2003-2004 Outback 2003-2004.
  • QUALITY & FUNCTION - DOSKJOK Oxygen Sensors are manufactured under rigorous scientific standards and 100% tested out of the factory.It is more durable, oxidation resistant and high temperature, to ensure long-term stable performance,help engine smooth operation.
  • INSTALL - Oxygen Sensors directly replace the old parts in the original position of the installation without change,easy to install on your vehicle, and come with pre-coated threads to assist installation.
  • NOTES - Please carefully check your vehicle year & make & model,pictures and parts No to confirm the compatibility before purchasing. Please contact us if any question of fitment.
SaleRank No. #14
Walker Products 350-34322 Oxygen Sensor, Original Equipment Replacement Premium O2 Sensor
  • 100% OE Replacement
  • Dual lower shield design, ceramic element
  • Laser welded body and shield
  • Plasma sprayed protective coating, and High Temperature Sleeving
  • Industry proven performance - approved by professional technicians nationwide
Rank No. #15
Denso 234-9015 Air Fuel Ratio Sensor
  • Efficient Fuel Consumption
  • Highly accurate
  • Easy installation
  • Constructed from durable material
Rank No. #16
Bosch 15814 Premium Original Equipment Oxygen Sensor - Compatible With Select Subaru Baja, Legacy, Outback
  • [INNOVATIVE TECHNOLOGY] - Every Bosch Oxygen Sensor benefits from the technological and manufacturing experience gained from decades of production since first inventing the Oxygen Sensor in the late 1960's, ensuring long-lasting, superior performance
  • [FACTORY TESTED] - Seared appearance of protection tube is a result of a 100 percent fully functional quality test to ensure every Bosch manufactured sensor meets Bosch's rigorous standards for quality and performance
  • [STAINLESS STEEL BODY] - Exclusive double laser-welded stainless steel body is totally submersible and sealed tight to protect against damage from exhaust emissions — ensuring longer sensor service life
  • [FAST ACTING HEATER] - Fast-acting heater optimizes sensor operation on Planar and 3, 4, and 5 wire Thimble type sensors allowing the oxygen sensor to reach its operating temperature quicker – within seconds – for optimum performance
  • [READY TO INSTALL] - True Direct-fit OE connectors and harnesses, along with threads pre-coated with anti-seize compound right out of the box, make installation simple and hassle-free
SaleRank No. #17
Denso 234-9010 Air Fuel Ratio Sensor
  • Efficient Fuel Consumption.Material:Zirconium
  • Highly accurate
  • Easy installation
  • Constructed from durable material
Rank No. #18
Walker Products 250-24440 4-Wire Oxygen Sensor
  • 100% OE base sensor program
  • Dual OEM shield, rolled threads, crimped weather shield
  • Direct fit style connectors
  • Industry exclusive product to serve all makes, all models, and all customers
  • Industry proven performance - approved by professional technicians nationwide
Rank No. #19
X AUTOHAUX 4 Wire Air Fuel Ratio O2 Oxygen Sensor Replacement Downstream Downstream for Subaru Legacy 2003-2004 36532RAAA11 250-24476
  • Oxygen Sensor features a double protection layer, aluminum oxide layer, PTFE filter and stainless steel housing. Note:Please Compare with the Original Before Purchase. Especially the Plug Shape.
  • [Function]Air fuel ratio sensor can improve engine efficiency performance and fuel economy. Please confirm your car OE number and model before ordering
  • [Fitment]for Subaru Legacy 2003-2004, for Subaru Baja 2003-2006.
  • [Installation]O2 sensors are easy to install on your vehicle, and come with pre-coated threads to assist installation. It also will prevent premature damage
  • Easy to Install: with 44.09 inch cable, easy to install on your car. Just need to disconnect and remove the old oxygen sensor, and then install the new sensor for your car. After installation, if it can't work, some models need to delete the error code manually, otherwise the error code still exists.
Rank No. #20
Bodeman - Downstream O2 Oxygen Sensor for 2003-2006 Subaru Baja (Exc.Turbo), 1999-2004 Subaru Legacy, 2000-2004 Subaru Outback - 4 Cyl 2.5L Models
  • Easy Installation, Direct Replacement - Please Enter Your Vehicle to Check Fitment
  • Made from Durable Material, Manufactured to Withstand High Engine Temperatures
  • Designed to Determine the Oxygen Content of the Exhaust Gas, Improve Fuel Economy and Lower Emission
  • Located in Jamaica, NY, USA, Bodeman Is a Company Servicing Auto-shops and Dealerships with OE Quality Replacement Parts.
  • 1 Year Warranty

Last update on 2023-08-07 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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